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13 August, 2018

Q4OS 2.5, Raspberry Pi release

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03 June, 2018

Q4OS 2.5, Scorpion

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29 November, 2017

Windows10 loves Q4OS

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Live CD

The Long Term Support release codenamed 'Scorpion' gives you five years of security patches and updates, it will be supported until October 2022 at least.


Live media allow users to get a quick Q4OS experience, or try it out on a real hardware without installation. If satisfied, an optional installer is available. You can download either a lightweight and efficient Trinity desktop, or more advanced Plasma desktop edition. The minimal hardware requirements are defined as follows:
Trinity desktop - 300MHz CPU / 128MB RAM / 3GB disk
Plasma desktop - 1GHz CPU / 1GB RAM / 5GB disk

Installation CD

If you are looking for pure installation media for personal computers, even for older i386 systems without PAE extension, download the installation CD below.



Installer for Windows

Windows installer puts Q4OS alongside Windows in an easy way, you will not have to modify your existing Windows installation. The installer is Windows 7/8/10 compatible.



Specific hardware - Raspberry Pi, Pinebook, Pine64

Download images below to get a poweful desktop optimized for the Raspberry Pi, or Pine64 hardware family.



ARM port

Q4OS for ARM devices runs on wide variety of hardware equipped with 32/64bit ARM processors, including Chromebooks, tablets, single board computers, embedded devices and more.



Software downloads

Get Q4OS applications from this section. Installation is pretty easy, download and save installer, doubleclick it from filemanager and follow setup instructions.

Mozilla Firefox ESR ... Mozilla's web browser, ESR version.
Blueman ... bluetooth manager for laptops with integrated bluetooth device.
Dropbox ... Dropbox.
Skype ... Skype.
Teamviewer ... Teamviewer.
Google Chrome ... Google's web browser.
Chromium ... Chromium web browser.
Chromium ... Chromium web browser, RPI edition.
Libre Office ... professional quality office suite.
Multimedia codecs ... high quality video and audio codecs.
Virtualbox Guest Additions ... optimized drivers for those who run inside Virtualbox.
Update Manager ... software updates notifier and manager.


Other downloads

If you are looking for older supported Q4OS releases, you can download from Legacy releases page. For the newest Q4OS testing images, check the dedicated Testing releases page.

Files details

md5sum ; file:
468ae827f7bd56929bb5e35794b91ce1 q4os-2.5-x64-kde.r1.iso
1e8eeebc33be03b7c47c50af0ad2f6b5 q4os-2.5-x64.r1.iso
41edf22b21805f2adaf40b253e8d2f41 q4os-2.5-i686pae.r1.iso
74df4d257fcb5dd0559dd8af0b4a4dc7 q4os-2.5-x64-instcd.r1.iso
627d46e43ac5157f4b3a889bb7ad0206 q4os-2.5-i386-instcd.r1.iso
ef31fd8652ed979c99db26cd919d86a0 q4os-2.5-rpi.r1.zip
67308e583aaf827fdca9ab5681752e2f q4os-2.4-pinebook.r3.zip
f82482c0f72fbf9a2ade04cf98ef22ec q4os-2.4-pine64.r3.zip
c79ff438e5c54fc606dd47c5dc034686 q4os-winsetup.exe